Henri Lleus Lionel is a character in the anime Romelia War Chronicle. He is a prince whose actions serve as a primary catalyst for the story's events. According to information regarding the series, Henri is the prince to whom the protagonist, Romelia, was formerly engaged. Following the victory over the Demon King, Henri publicly announces the annulment of his engagement to Romelia. The reason given for this dismissal is that she is purportedly useless and lacks value, an act that humiliates her in front of their former companions.

The role Henri plays in the narrative is fundamentally that of the antagonist who sets the protagonist on her path. His public rejection directly leads to Romelia's humiliation and dismissal from the hero's party, forcing her to return to her homeland. While his specific motivations are not detailed in the available sources, his action of breaking the engagement based on a perceived lack of utility establishes him as a character who judges worth by tangible power or contribution. This specific action defines his key relationship with Romelia, marking the end of their partnership and the beginning of her independent struggle. The voice actor portraying Henri Lleus Lionel is Yūya Hirose. Information regarding his background, personality, personal motivations, character development throughout the story, or any notable abilities he may possess is not available in the provided search results.